mx.checking.systems - dns.ninja

mx.checking.systems

DNSSEC⚠️ Not signed
MXmail.jfet.org ⭐
A209.141.47.85🇺🇸 FRANTECH209.141.32.0/19 Frantech Solutions
PTRelectron.jfet.org

checking.systems

DNSSEC⚠️ Not signed
A2606:4700:3036::ac43:ab65🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:1d2e🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.29.46Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.171.101🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NShans.ns.cloudflare.com ⭐
NSkara.ns.cloudflare.com
MXroute2.mx.cloudflare.net ⭐
MXroute3.mx.cloudflare.net(57)
MXroute1.mx.cloudflare.net(90)
TXTRiad Wahby (rsw@jfet.org) - checking.systems
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.29.46, 172.67.171.101
IPv6 hints2606:4700:3036::ac43:ab65, 2606:4700:3037::6815:1d2e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=254, name=cloudflare-ech.com
SOAhans.ns.cloudflare.comdns@cloudflare.com serial=2406026600

Previously MX for

checking.systems

Same first word

mx.s3-website-eu-west-1.amazonaws.com
mx.s3-website-us-east-1.amazonaws.com
mx.design
mx.s3-website-us-west-1.amazonaws.com
mx.msk.ru
mx.scrapping.cc
mx.tv
mx.casino
mx.ma
mx.dyndns.org
mx.sh
mx.ax
mx.lv
mx.abbott
mx.or.at
mx.cn
mx.servebbs.org
mx.tc
mx.microsoft
mx.ph
mx.com.tr
mx.be
mx.guru
mx.selfip.com
mx.co
mx.ro
mx.com.kz
mx.ru.net
mx.firewall-gateway.de
mx.mayfirst.org
mx.principe.st
mx.ag
mx.ee
mx.net.ru
mx.fi
mx.cz
mx.co.kr
mx.net
mx.box
mx.homelinux.com
mx.dnsalias.com
mx.se
mx.srv.br
mx.si
mx.de
mx.org.ua
mx.com.co
mx.nl
mx.com
mx.al
mx
mx.org
mx.net.au
mx.sb
mx.sub.jp
mx.nf
mx.kg
mx.fm
mx.dk
mx.mil.lv
mx.is
mx.ac.cn
mx.uz
mx.mt
mx.lt
mx.co.at
mx.ua
mx.csb.app
mx.au
mx.go.gov.br
mx.com.mx
mx.dev
mx.od.ua
mx.su
mx.com.au
mx.123hjemmeside.no
mx.cl
mx.by
mx.main.jp
mx.bplaced.net
mx.uy
mx.dyndns-mail.com
mx.io
mx.co.ke
mx.vg
mx.gp
mx.cloudaccess.net
mx.global.prod.fastly.net
mx.email
mx.com.pt
mx.ru
mx.services
mx.pl
mx.ht
mx.uk
mx.no
mx.cloud.nospamproxy.com
mx.agency
mx.rs
mx.vc
mx.cloudflare.net
mx.ws
mx.plus
mx.zone
mx.co.za
mx.tours
mx.s3.amazonaws.com
mx.com.tw
mx.vu
mx.biz
mx.ms
mx.network
mx.se.gov.br
mx.gy
mx.pe
mx.realm.cz
mx.tn
mx.mk
mx.exchange
mx.kh.ua
mx.md
mx.to
mx.cm
mx.graphics
mx.cx
mx.support
mx.myftp.org
mx.kinghost.net
mx.gouv.ci
mx.money
mx.kasserver.com
mx.com.ar
mx.sytes.net
mx.center
mx.withyoutube.com
mx.mba
mx.co.uk

Similar names

xm.hk.cn
xm.fj.cn
xm.pl
xm.vn.ua
xm.house
xm.mk
xm.com
xm.biz
xm.media
xm.fyi
xm.pe
xm.wtf
xm.nl
xm.app
xm.cn
xm.gov.cn
xm.city
xm.ca
xm.ee
xm.ae
xm.lc
xm.chat
xm.life
xm.net
xm.cm

DNS History

1 record (1 active, 0 former)

MXmail.jfet.org
●MXmail.jfet.org2026-05-10 → 2026-06-08 · 2 obs
● 2026-05-10 06:57:28
● 2026-06-08 12:30:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
systemsv0n0.nic.systems, v0n2.nic.systems, v2n0.nic.systems, v0n1.nic.systems...12 records
checking.systemskara.ns.cloudflare.com, hans.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.175

NS records: kara.ns.cloudflare.com, hans.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for checking.systems (unsigned zone)

⏱️ Timing

Total: 289ms | Queries: -

📄 Records

TypeCountSample Data
MX1mail.jfet.org (pri: 10)

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.systems, v0n0.nic.systems, v0n2.nic.systems...)

Analysis

Mail Servers

mx.checking.systems uses one mail server — mail.jfet.org.

mx.checking.systems uses the same mail servers as opamp.org, dns.opamp.org, phonon.net and fort-awesome.org, and other domains with the same setup.

mail.jfet.org has exactly one IP number: 209.141.47.85.